Large Section of Soft Rock Gob-Side Entry Retaining Surrounding Rock Control

<table class="table-group" id="tab2"><tr><td><table class="table"><tr><td class="thead-hr" colspan="8"><hr/></td></tr><tr class="thead"><td class="align_left">Density (kg/m3)</td><td class="align_center">Explosion speed (m/s)</td><td class="align_center">E0 (GPa)</td><td class="align_center">A (GPa)</td><td class="align_center">B (GPa)</td><td class="align_center">R1</td><td class="align_center">R2</td><td class="align_center">ω</td></tr><tr><td class="thead-hr" colspan="8"><hr/></td></tr><tr><td class="align_left">1,200</td><td class="align_center">3,600</td><td class="align_center">4.192</td><td class="align_center">214.4</td><td class="align_center">0.182</td><td class="align_center">4.2</td><td class="align_center">0.9</td><td class="align_center">0.15</td></tr><tr class="table-tr"><td colspan="8"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

Advances in Civil Engineering

tab2

Table 2

Table 2: Large Section of Soft Rock Gob-Side Entry Retaining Surrounding Rock Control 